Species Account

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Summary Data

Season (Adult / Immature):

National Status: Nationally Scarce B

Local Status: Very rare and very local. Probably under-recorded.

Local Record: Grade G   See here for explanation

Flight time: -

Forewing: -

Foodplant: Rushes

Regional breakdown:

Year first recorded20082001
Year last recorded20082003
Number of records12
Number of individuals12
Unique positions12
Unique locations12
Adult records12
Immature records00

For the county, we have a total of 3 records from 3 sites. First recorded in 2001.


49.196 Bactra lacteana 01
© Charles Fletcher, 1 Aug 2001

Species Account

Similar species: Gen. det. required to exclude much more common Bactra lancealana.

Argus 47, 2001-04:
VC65. Hutton Conyers, 1.8.2001 conf. HEB (CHF); Magdalen Wood, 6.8.2003 (CHF, JCW, SPW). NEW COUNTY RECORD.

Argus 56, 2008:
VC64. Ripon, 9.6.2008 gen. det. CHF, conf. HEB (D&DB). NEW VICE-COUNTY RECORD.

Current status (HEB, 2011): First identified in Britain in 1996. The first county record was at Hutton Conyers (VC65) in 2001, with another in the same vice-county at West Tanfield in 2003 and one at Ripon (VC64) in 2008. An obscure moth, impossible to identify confidently without dissection, but likely to be found elsewhere in Yorkshire.

See background to species accounts.  Index of Vernacular names - Search - Random Species